CN115380703A - Lateral driving reciprocating type cutting knife device - Google Patents

Abstract

The invention discloses a laterally driven reciprocating cutter device, which relates to the technical field of leaf vegetable harvesting, comprising a first side plate installed on a main support, a second side plate arranged on the front side of the first side plate, and the first side plate and A cutter assembly is installed between the second side plates, and the front side of the second side plate is provided with a guide springback assembly for resetting the cutter assembly; the rear side of the cutter assembly is provided with a drive assembly to drive it back and forth, and the drive assembly is driven by a drive motor ;Through the incomplete gear meshing with the upper and lower double rack frames, the upper and lower bending cutters are directly driven to reciprocate, and the other ends of the two cutters are equipped with a guide rebound device, which reduces the gap between the upper and lower cutters. The wear and tear of the cutter and the vibration problem during the high-speed reciprocating motion of the cutter are alleviated; the upper and lower cutters are of a bent structure, and the blade is parallel to the ground during the cutting operation, so that the root of the work object is cut flat, and at the same time avoiding the cutter into the soil. , improve the service life of the tool.

Description

A side-drive reciprocating cutter device

technical field

The invention relates to the technical field of leaf vegetable harvesting, in particular to a laterally driven reciprocating cutter device.

Background technique

At present, the cutting device is one of the important executive parts in the leaf vegetable harvesting operation process, and the quality of its operation effect directly determines the quality of the harvested vegetables. Most of the existing cutting devices are single-moving knife structure, double-moving knife structure and reciprocating saw structure. The driving mechanism includes eccentric wheel drive and crank slider drive. Big jitter. Moreover, due to the need to take into account the installation position of the rear conveying parts, there is a large angle between the blade and the root of the work object, which causes the cutting edge part to enter the soil during the operation process, which greatly aggravates the wear of the blade.

Contents of the invention

Aiming at the above problems, the present invention provides a laterally driven reciprocating cutter device, which solves the problem of inconvenient use of the existing cutter device during harvesting of leafy vegetables.

The technical solution adopted in the present invention is: a laterally driven reciprocating cutter device, including a main bracket, a drive motor, a drive assembly, a cutter assembly and a guide rebound assembly;

A first side plate is installed on the main bracket, a second side plate is arranged on the front side of the first side plate, a cutter assembly is installed between the first side plate and the second side plate, and the second side plate The front side of the plate is provided with a guide springback assembly for the reset of the cutter assembly;

The rear side of the cutter assembly is provided with a drive assembly to drive it back and forth, and the drive assembly is driven by a drive motor.

Furthermore, the cutter assembly includes a first cutter cover, an upper cutter, a lower cutter and a second cutter cover; the first cutter cover is respectively installed between the first side plate and the second side plate and the second cutter cover; a slidable upper cutter and a lower cutter are respectively arranged between the first cutter cover and the second cutter cover, and the rear side of the upper cutter and the lower cutter passes through the drive assembly Drive its reciprocating motion, the front side of the upper cutter and the lower cutter is reset by the guide rebound assembly, and the blade of the upper cutter and the lower cutter and the blade body are bent structures, the lower cutter and the upper cutter The appearance of each blade is an isosceles long trapezoidal structure. The upper bottom, two waists and lower bottom joints of the upper cutter are equipped with upper sharpening edges. The upper bottom, two waists and lower bottom joints of the lower cutter blades are all There is a lower sharpening.

Furthermore, the drive assembly includes a first rack frame, a case bottom, a middle partition, a case cover, an incomplete gear and a second rack frame; the main bracket is provided with a middle partition, and the middle partition A slidable first rack frame and a second rack frame are respectively provided on both sides of the upper and lower sides of the plate, and a cover is provided over the first rack frame, and the cover is connected with the middle partition, and the first rack frame The rack frame is slidably arranged in the shell cover, the second rack frame is covered with a shell bottom, the shell bottom is connected with the middle partition, the second rack frame is slidably set in the shell bottom, The first rack frame and the second rack frame are respectively provided with meshing incomplete gears, the two incomplete gears are connected by a fixed shaft, and the projection of the two incomplete gears on the central plane It is a center symmetrical structure, the fixed shaft respectively rotates through the first rack frame, the bottom of the case, the middle partition, the case cover and the second rack frame; and the top of the fixed shaft is connected to the output shaft of the drive motor; the upper The first end of the cutting knife slides through the first side plate and is connected to the first rack frame; the first end of the lower cutting knife slides through the first side plate and is connected to the second rack frame, and the driving motor passes through the motor bracket It is installed on the shell cover, and the motor bracket is provided with a through hole matched with the output shaft of the drive motor, and the output shaft of the drive motor passes through the through hole and is connected with the fixed shaft.

Furthermore, a one-way chute is provided on the bottom of the case and the case cover, and the first rack frame and the second rack frame are respectively slidably arranged in the one-way chute, and the two one-way chute The outer wall of the chute is provided with a first through hole, and the fixed shafts are respectively arranged in the first through hole for rotation, and a rolling bearing is provided between the fixed shaft and the first through hole, and a movement hole is provided on the middle partition , the fixed shaft rotates through the movement hole, and the first through hole is arranged coaxially with the movement hole.

Furthermore, a vertically installed cushion runs through the rear end of the middle partition, and the side walls of the first rack frame and the second rack frame are respectively movably connected with the cushion.

Furthermore, the guide rebound assembly includes a guide tail plug, a guide bracket and an elastic member; the second end of the upper cutter and the second end of the lower cutter respectively slide through the second side plate and are connected with a guide tail plug, The two guide tail plugs are provided with a guide bracket, and the guide bracket is connected to the second side plate. An elastic member is provided between the two guide tail plugs and the guide bracket, and the elastic member is sleeved on the guide On the tail plug, the two guide tail plugs respectively slide through the front wall of the guide bracket.

Furthermore, the main support is an L-shaped structure, the vertical frame of the main support is connected to the first side plate, and the vertical frame of the main support is provided with an opening, the first end of the upper cutting knife and the lower cutting knife The first ends are all movable in the opening, the cross frame of the main support is provided with a U-shaped groove, the middle partition is arranged between the U-shaped grooves, and the horizontal frame and the vertical frame of the main support are provided with Ribs.

Furthermore, the number of rack teeth on the first rack frame and the second rack frame is one more than the number of teeth on the incomplete gear meshing with them; a transition circular platform is provided between the two incomplete gears, The transition round table is sheathed on the fixed shaft, and the transition round table is rotatably arranged in the movement hole.

Further, the length dimension of the lower cutter is larger than the length dimension of the upper cutter, and two sliding pins are provided on the first cutter cover, sliding holes are provided on the second cutter cover, and the lower cutter cover is provided with two sliding pins. The two ends of the cutter and the upper cutter are respectively provided with notches, and the two sliding pins respectively slide through the notches and are connected with the second cutter cover.

Further, the lower cutter, the upper cutter, the first rack frame and the second rack frame are all provided with a number of lightening holes.

Advantages of the present invention:

The invention provides a side-drive reciprocating cutter device, which converts the rotary motion into a reciprocating linear motion through the incomplete gear meshing with two racks and racks with double-sided racks, thereby avoiding the reciprocating cutter of the crank slider type. The sharp return motion characteristics of the knife greatly reduce the volume and weight of the driving part; compared with other schemes that convert rotary motion into reciprocating motion, the meshing between the rack and pinion improves the energy conversion efficiency;

Through the bending cutter structure, the horizontal cutting operation in the leaf vegetable harvesting process is realized, and the reciprocating motion inertia of the cutter is reduced through the opening of the blade body; The noise and vibration of the reciprocating motion enhance the overall smoothness and accuracy of the reciprocating motion of the cutting device;

The first rack frame and the second rack frame used in the present invention, the first cutter cover 9 and the second cutter cover, and the two guide tail plugs are all identical in structure, and are installed symmetrically up and down, which improves the quality of the parts. The versatility of the parts reduces the amount of parts processing and manufacturing technology; in the use of threaded fasteners, the nominal diameters of all bolts and screws are M4 or M8, which reduces the difficulty of the overall assembly of the device;

When adjusting the speed of the drive motor to change the cutting speed according to different harvesting scenarios, the linear velocity of the reciprocating motion of the cutter can be accurately calculated through the meshing conditions of the rack and pinion; at the same time, by changing the structural parameters and reciprocating distance of the cutter blade, the device It can be adapted to a variety of vegetables and other harvesting machines that require cutting operations;

The invention provides a laterally driven reciprocating cutter device, which directly drives the upper and lower bending cutters to reciprocate through the incomplete gear meshing with the upper and lower double rack frames, and the other ends of the two cutters are equipped with There is a guide rebound device, which reduces the wear between the upper and lower cutters and alleviates the problem of vibration during the high-speed reciprocating movement of the cutter; the upper and lower cutters are all bent structures, and the blades are parallel to the ground during cutting operations. The cut of the root of the work object is made smooth, the cutting quality is improved, and the work of cutting the cutting tool into the soil is avoided, and the service life of the cutting tool is improved.

In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. Hereinafter, the present invention will be described in further detail with reference to the drawings.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention.

Fig. 1 is the overall structural representation of the present invention;

Fig. 2 is a schematic diagram of cushioning pad installation of the present invention;

Fig. 3 is the structural representation of cutter assembly of the present invention;

Fig. 4 is a schematic structural diagram of the first rack frame of the present invention;

Fig. 5 is a schematic structural view of the upper cutter of the present invention;

Fig. 6 is a schematic diagram of the shell bottom structure of the present invention;

Fig. 7 is a structural schematic diagram of a middle partition of the present invention;

Fig. 8 is a schematic diagram of the structure of the incomplete gear of the present invention.

Reference signs:

1-main bracket, 2-first rack frame, 3-shell bottom, 4-middle partition, 5-shell cover, 6-motor bracket, 7-drive motor, 8-first side plate, 9-first Cutter cover, 10-upper cutter, 11-lower cutter, 12-second side plate, 13-guide tail plug, 14-guide bracket, 15-incomplete gear, 16-cushion pad, 17-rolling bearing, 18 - Elastic pieces.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.

Referring to Figures 1 to 8, a laterally driven reciprocating cutter device includes a main bracket 1, a drive motor 7, a drive assembly, a cutter assembly and a guide rebound assembly;

A first side plate 8 is fixedly installed on the main support 1, a second side plate 12 is provided on the front side of the first side plate 8, a cutter assembly is installed between the first side plate 8 and the second side plate 12, preferably, Cutter assembly comprises the first cutter cover 9, last cutter 10, following cutter 11 and the second cutter cover; The first cutter cover 9 and the first cutter cover 9 and The second cutter cover; the first cutter cover 9 and the second cutter cover are U-shaped structures, and the first cutter cover 9 and the second cutter cover are left-right symmetrical structures, and its vertical plates are respectively connected to the first side The plate 8 is connected with the second side plate 12, and the vertical plates on both sides are respectively provided with two installation through holes corresponding to the corresponding installation holes on the first side plate 8 of the two side plates and the second side plate 12; connected by bolts;

The first cutter cover 9 and the second cutter cover can be formed by sheet metal processing, and they are symmetrical up and down after the installation is completed; respectively, a slidable upper cutter 10 and The lower cutter 11, the rear side of the upper cutter 10 and the lower cutter 11 drive its reciprocating motion through the driving assembly, the front side of the upper cutter 10 and the lower cutter 11 is reset by the guide rebound assembly, and the upper cutter 10 and the lower cutter Bending structure is between the blade of knife 11 and the blade body, and upper cutting knife 10 and following cutting knife 11 are all integrally formed cutters, and there is a certain angle of bending between the blade and the blade body to ensure that the blade is in contact with the ground surface during operation. Parallel; each blade appearance of following cutting knife 11 and upper cutting knife 10 is isosceles long trapezoidal structure, and the upper end of last cutting knife 10, two waists and lower bottom junction are all provided with sharpening blades, following cutting knife 11 There are lower sharpening blades at the joints of the upper bottom, two waists and lower bottom of each blade;

The front side of the second side plate 12 is provided with a guide rebound assembly for cutter assembly reset; the guide rebound assembly includes a guide tail plug 13, a guide bracket 14 and an elastic member 18; the second end of the upper cutter 10 and the lower cutter 11 The second end slides through the second side plate 12 respectively and is connected with a guide tail plug 13. The second side plate 12 is provided with a cutter movement through hole, and the second end of the upper cutter 10 and the second end of the lower cutter 11 are in the cutting position. The knife moves reciprocatingly in the through hole; and the guide tail plug 13 is a "T-shaped" structure, and the connection part with the cutter is provided with two threaded bottom holes, and there is a boss at the contact part with the tail end of the cutter, and the strip at the tail end is The cuboid structure is exactly the same as the two guide tail plugs connected by the upper cutter 10 and the lower cutter 11. Screws are screwed in the threaded bottom holes for connecting the cutter and the guide tail plugs; the two guide tail plugs 13 are A guide bracket 14 is sleeved, and the guide bracket 14 is fixedly connected with the second side plate 12. An elastic member 18 is arranged between the two guide tail plugs 13 and the guide bracket 14. The elastic member 18 is a spring, and the elastic member 18 is set on the guide On the tail plug 13, two guide tail plugs 13 slide through the front wall of the guide bracket 14 respectively; The rear end is an open structure with through holes on both sides to connect with the second side plate 12, and the inside is connected by bolts;

The rear side of the cutter assembly is provided with a drive assembly that drives it to and fro, and the drive assembly is driven by a drive motor 7. Preferably, the drive assembly includes a first rack frame 2, a shell bottom 3, a middle partition 4, a shell cover 5, an incomplete The gear 15 and the second rack frame; the main bracket 1 is fixed with a middle partition 4, the middle partition 4 is made of brass as a whole, and the middle part is evenly distributed with graphite lubricant points, and the middle part of the middle partition 4 is connected with the Both the upper and lower rack frames are in contact; therefore, small holes arranged in an orderly manner and of appropriate size are punched on the middle friction surface, and graphite is embedded in these holes to form a self-lubricating effect to reduce friction during reciprocating motion. The clapboard 4 has a cuboid axisymmetric structure with seven through holes on both sides and the rear end;

The upper and lower sides of the middle partition 4 are respectively provided with a slidable first rack frame 2 and a second rack frame. The first rack frame 2 and the second rack frame are both axisymmetric structures as a whole. Strengthening and toughening treatment to enhance the strength, toughness and wear resistance of the rack frame 2; the first rack frame 2 is covered with a shell cover 5, the shell cover 5 is fixedly connected with the middle partition plate 4, and the first rack frame 2. It can be slidably arranged in the shell cover 5. The shell cover 5 has a cuboid axisymmetric structure with seven through holes on both sides and the rear end; The sliding one is set in the one-way chute, and the first rack frame 2 reciprocates in the one-way chute;

The second rack frame is covered with a shell bottom 3, and the shell bottom 3 is connected to the middle partition plate 4. The second rack frame is slidably arranged in the shell bottom 3. The shell bottom 3 is a rectangular parallelepiped axisymmetric structure. There are seven threaded bottom holes on the rear end, the lower bottom surface is connected with the main bracket 1 and the upper surface is connected with the middle partition 4; there are seven through holes on both sides and the rear end of the main bracket 1, the main bracket 1, the shell bottom 3, the middle partition The through hole and the threaded bottom hole on the plate 4 and the shell cover 5 are coaxially arranged, and screws are installed in the through holes and the threaded bottom holes on the main support 1, the bottom of the shell 3, the middle partition plate 4 and the shell cover 5; 1. The shell bottom 3, the middle partition plate 4 and the shell cover 5 are installed together; the shell bottom 3 is provided with a one-way chute, and the second rack frame slides in the one-way chute, and the second rack frame is in the Reciprocating movement in one-way chute;

The first rack frame 2 and the second rack frame are respectively provided with meshing incomplete gears 15. Preferably, the number of teeth of the two incomplete gears 15 is 1/3 of the number of teeth of the full-toothed gear of the same specification. The complete gears 15 are connected by a fixed shaft, and the projection of the two incomplete gears 15 on the central plane is a centrosymmetric structure, and the fixed shafts respectively rotate through the first rack frame 2, the shell bottom 3, the middle partition plate 4, and the shell cover 5 and the second rack frame; and the top of the fixed shaft is connected to the output shaft of the driving motor 7; preferably, the driving motor 7 can be a stepping driving motor, a hydraulic motor or a servo driving motor, but the output shaft needs to be a hollow shaft, hollow The inner hole of the shaft needs to be provided with a flat keyway or a spline sleeve, and the upper end of the fixed shaft is provided with a flat keyway or an external spline shaft structure. The connection between the output end of the driving motor 7 and the fixed shaft can be connected by a flat key or a spline connect;

The first end of the upper cutter 10 slides through the first side plate 8 and is connected to the first rack frame 2; the first rack frame 2 is a cuboid structure, and the upper end surface of the front end is provided with a cutter installation groove and two thread bottoms. There are two countersunk holes at the left and right ends of the upper cutter blade 10, the sinking position of the countersunk holes is located on the lower surface, and countersunk screws are installed in the countersunk holes and the threaded bottom holes; the first end of the lower cutter 11 slides The second rack frame runs through the first side plate 8 and is connected to the second rack frame. The second rack frame has a cuboid structure. The lower end surface of the front end is provided with a cutter installation groove and two threaded bottom holes. The left and right ends of the lower cutter 11 blade body There are two countersunk holes respectively, the sinking part of the countersunk hole is located on the upper surface, and countersunk screws are installed in the countersunk hole and the threaded bottom hole;

The first side plate 8 is provided with a cutter movement through hole, and the upper cutter 10 and the lower cutter 11 move in the cutter movement through hole;

The rear end of the middle partition 4 runs through a vertically installed buffer pad 16, and the rear end of the middle partition 4 is provided with a buffer pad 16 installation groove, and the buffer pad 16 is fixedly arranged in the installation groove. The first rack frame 2 and the second rack The side walls of the frame are movably connected with the buffer pads 16 respectively, and the buffer pads 16 have a cuboid axisymmetric structure with rounded corners on the outer sides of the short side, and the material is hard rubber;

The driving motor 7 is installed on the shell cover 5 through the motor bracket 6, and the motor bracket 6 is provided with a through hole matched with the output shaft of the driving motor 7, and the output shaft of the driving motor 7 passes through the through hole and is connected with the fixed shaft, and the driving motor 7 There are four installation through holes around the installation surface; four drive motor installation holes are arranged on the upper surface of the motor bracket 6, and bolts are installed in the installation through holes and the installation holes; The holes are connected to the shell cover 5 through the screws in the mounting holes, and the internal parts of the above-mentioned components, as well as the components and the first side plate 8 and the second side plate 12 are all connected by threaded fasteners.

The invention provides a side-driven reciprocating cutter device. Taking the harvesting of leafy vegetables such as Shanghai greens and lettuce as an example, according to its operation characteristics, after the production and installation of each part of a side-driven reciprocating cutter device , during operation, the output shaft of the drive motor 7 driven by the power source carried by the leaf vegetable harvester is rotated; the output shaft of the drive motor 7 is a hollow shaft, and the connection between the drive gear 15 is a flat key connection or a spline connection. It is a flat key connection, the output shaft of the drive motor 7 drives the fixed shaft to rotate, and then drives the two incomplete gears 15 to rotate together; as shown in Figure 8, the two incomplete gears 15 and the upper cutter 10 and the lower cutter 11 The meshing parts of the two connected rack frames are partial gears; through the meshing of the two incomplete gears 15 with the two rack frames, the rotational motion output by the drive motor 7 is converted into two rack frames 2 reciprocating motion; and then drive the two cutting knives to do reciprocating motion, realizing the alternate reciprocating motion of the upper cutting knife 10 and the lower cutting knife 11, so that the staggered movement between the adjacent upper and lower cutting knife blades completes the cutting of the leaf vegetable root, realizing Cutting operations on the roots of leafy vegetables;

As shown in Fig. 2 and Fig. 3, the function of the buffer pad 16 and the two springs respectively set on the tail bars of the upper and lower guide tail plugs 13 is to illustrate the movement of the above cutting knife 10 as an example. When the guide tail plug 13 connected to the knife 10 moves to the front end limit position, the spring is in the limit compression state to buffer the impact force of the knife moving forward and assist the knife to return quickly backward; When the rack frame 2 moves to the limit position of the rear end, the upper part of the buffer pad 16 contacts the rear end of the rack frame 2 to play the role of buffering and noise reduction, avoiding the impact contact between the right end of the rack frame and the housing. free stretch state;

Take the above cutter 10 as an example, the angle between the upper cutter 10 body and the blade can be set according to the inclination angle between the subsequent conveying parts and the horizontal plane used in conjunction with this device, so as to ensure that the blade cuts the root of the leafy vegetable. The state is horizontal cutting, which avoids the oblique cutting of the existing cutting device and causes the leaf vegetables to be inclined after cutting; the two rows of zigzag blades of the upper cutting knife 10 and the lower cutting knife 11 reciprocate alternately, and jointly complete the leafy vegetable harvesting process Medium and horizontal cutting operations;

By adjusting the rotational speed of the output shaft of the driving motor 7, the cutting speed of the cutting knife of the device can be adapted to different operating speeds and operating objects.

In one embodiment of the present invention, first through holes are provided on the outer walls of the two one-way chute, the fixed shafts are arranged in the first through holes for rotation respectively, and rolling bearings are arranged between the fixed shafts and the first through holes 17. The rolling bearing 17 is a deep groove ball bearing, and the outer ring of the deep groove ball bearing and the first through hole on the bottom surface of the shell bottom 3, as well as the inner ring and the fixed shaft are all interference fits, and the height of the transition shoulder is 2 mm; the deep groove ball bearing 17 should use double-sided metal seal bearings to prevent the entry of impurities such as soil particles during the operation process, and reduce the workload of the follow-up maintenance process of the overall device.

And middle partition plate 4 is provided with motion hole, and the fixed shaft rotates through the motion hole, and the first through hole is coaxially arranged with motion hole, and transition round table is arranged between two incomplete gears 15, and transition round table is sleeved on the fixed shaft. On the shaft, the transitional circular platform is arranged in the movement hole for the rotary connection, which increases the rotary inertia of the incomplete gear 15 itself and the installation gap between the reserved rack frame and the upper and lower cutters.

In one embodiment of the present invention, the main support 1 is an L-shaped structure, the vertical frame of the main support 1 is connected to the first side plate 8, and the vertical frame of the main support 1 is provided with openings, and the front end vertical frame of the main support 1 is opened on both sides. There is a through hole, the first side plate 8 is provided with a mounting hole matched with the main bracket 1, and bolts are installed in the through hole and the mounting hole; the first end of the upper cutting knife 10 and the first end of the lower cutting knife 11 are in the opening For internal movement, the horizontal frame of the main support 1 is provided with U-shaped grooves, the middle partition 4 is arranged between the U-shaped grooves, and reinforcing ribs are arranged between the horizontal frame and the vertical frame of the main support 1.

In an embodiment of the present invention, the number of rack teeth on the first rack frame 2 and the second rack frame is one more than the number of teeth on the incomplete gear 15 meshing with them.

In one embodiment of the present invention, the length dimension of following cutter 11 is greater than the length dimension of upper cutter 10, and the blade position of lower cutter 11 should be slightly longer than that of upper cutter 10, so as to ensure that the blades of the two cutters are Align completely when overlapping position; The first cutter cover 9 is provided with two sliding pins, and the second cutter cover is provided with sliding holes, and the lower cutter 11 and the upper cutter 10 two ends are respectively provided with notches, two Two sliding pins slide through the notch and are connected with the second cutter cover respectively, which facilitates the sliding of the following cutter 11 and the upper cutter 10.

In one embodiment of the present invention, the lower cutter 11, the upper cutter 10, the first rack frame 2 and the second rack frame are all provided with some lightening holes, preferably, in order to reduce the reciprocating inertia of the cutter , there is a long rectangular hole and two short rectangular holes in the middle of the cutter body, and there are two symmetrical rectangular through holes in the middle of the first rack frame 2 and the second rack frame, which are used to reduce the stress of reciprocating parts Its own weight reduces its inertia in reciprocating motion, making it easier for the part to change its direction of motion.

In one embodiment of the present invention, the first rack frame 2, the second rack frame and the incomplete gear 15 need to undergo high-frequency quenching as a whole to strengthen the surface of the workpiece so as to better withstand the torsional alternating load during reciprocating motion .

In one embodiment of the present invention, all the cutting edge parts of the upper cutter 10 and the lower cutter 11 need to undergo high-frequency quenching to strengthen the surface of the workpiece to increase the wear resistance of the blades.

In one embodiment of the present invention, by changing the modulus and number of teeth of some gears in the driving gear 15, and then matching the corresponding rack frame 2, upper cutter 10 and lower cutter 11, etc., different cutting width requirements can be realized crop cutting operations.

The invention provides a laterally driven reciprocating cutter device, which directly drives the upper and lower bending cutters to reciprocate through the incomplete gear meshing with the upper and lower double rack frames, and the other ends of the two cutters are equipped with There is a guide rebound device, which reduces the wear between the upper and lower cutters and alleviates the problem of vibration during the high-speed reciprocating movement of the cutter; the upper and lower cutters are all bent structures, and the blades are parallel to the ground during cutting operations. The cut of the root of the work object is made smooth, the cutting quality is improved, and the work of cutting the cutting tool into the soil is avoided, and the service life of the cutting tool is improved.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention Inside.

Claims (10)

1. A lateral driving reciprocating type cutting knife device is characterized by comprising a main bracket (1), a driving motor (7), a driving assembly, a cutting knife assembly and a guiding rebounding assembly;

a first side plate (8) is mounted on the main support (1), a second side plate (12) is arranged on the front side of the first side plate (8), a cutter assembly is mounted between the first side plate (8) and the second side plate (12), and a guide springback assembly for resetting the cutter assembly is arranged on the front side of the second side plate (12);

the rear side of the cutting knife assembly is provided with a driving assembly for driving the cutting knife assembly to reciprocate, and the driving assembly is driven by a driving motor (7).

2. The side-drive reciprocating cutter device of claim 1, wherein the cutter assembly comprises a first cutter housing (9), an upper cutter (10), a lower cutter (11), and a second cutter housing; a first cutter cover (9) and a second cutter cover are respectively arranged between the first side plate (8) and the second side plate (12); cutting knife (10) and lower cutting knife (11) on being equipped with slidable between first cutting knife cover (9) and the second cutting knife cover respectively, it drives its reciprocating motion through drive assembly with lower cutting knife (11) rear side to go up cutting knife (10), it resets through direction resilience subassembly with lower cutting knife (11) front side to go up cutting knife (10), and for the structure of buckling between the blade of going up cutting knife (10) and lower cutting knife (11) and the blade, each blade appearance of lower cutting knife (11) and last cutting knife (10) is isosceles long trapezoid structure, and the last base of going up cutting knife (10), two waists and the junction of going to the bottom have all opened the sword of grinding down, and the last base of each blade of lower cutting knife (11), two waists and the junction of going to the bottom have all opened down the sword of grinding down.

3. The side-drive reciprocating knife device of claim 2, characterized in that the drive assembly comprises a first rack frame (2), a housing bottom (3), a middle partition (4), a housing cover (5), an incomplete gear (15), and a second rack frame; the main support (1) is provided with a middle partition plate (4), the upper side and the lower side of the middle partition plate (4) are respectively provided with a first rack frame (2) and a second rack frame which can slide, a shell cover (5) is sleeved outside the first rack frame (2), the shell cover (5) is connected with the middle partition plate (4), the first rack frame (2) is arranged in the shell cover (5) in a sliding manner, a shell bottom (3) is sleeved outside the second rack frame, the shell bottom (3) is connected with the middle partition plate (4), the second rack frame is arranged in the shell bottom (3) in a sliding manner, the first rack frame (2) and the second rack frame are respectively internally provided with incomplete gears (15) which are meshed with each other, the two incomplete gears (15) are connected through a fixed shaft, the projections of the two incomplete gears (15) on the central plane are of a central symmetry structure, and the fixed shaft respectively rotatably penetrates through the first rack frame (2), the shell bottom (3), the middle partition plate (4), the shell cover (5) and the second rack frame; the top end of the fixed shaft is connected with an output shaft of a driving motor (7); the first end of the upper cutter (10) penetrates through the first side plate (8) in a sliding manner and is connected with the first rack frame (2); the first end of the lower cutting knife (11) slides to penetrate through the first side plate (8) to be connected with the second rack frame, the driving motor (7) is installed on the shell cover (5) through the motor support (6), a through hole matched with an output shaft of the driving motor (7) is formed in the motor support (6), and the output shaft of the driving motor (7) penetrates through the through hole to be connected with the fixed shaft.

4. The lateral-drive reciprocating cutting knife device as claimed in claim 3, characterized in that the housing bottom (3) and the housing cover (5) are provided with one-way chutes, the first rack frame (2) and the second rack frame are slidably disposed in the one-way chutes, the outer walls of the two one-way chutes are provided with first through holes, the fixed shafts are rotatably disposed in the first through holes, rolling bearings (17) are disposed between the fixed shafts and the first through holes, the middle partition plate (4) is provided with moving holes, the fixed shafts are rotatably disposed through the moving holes, and the first through holes and the moving holes are coaxially disposed.

5. The laterally driven reciprocating knife apparatus as claimed in claim 4, characterised in that a cushion pad (16) is vertically installed through the rear end of the middle partition plate (4), and the side walls of the first rack frame (2) and the second rack frame are movably connected with the cushion pad (16), respectively.

6. The side-drive reciprocating cutter device as claimed in claim 2, characterized in that the guided resilient assembly comprises a guide shoe (13), a guide bracket (14) and an elastic member (18); go up cutting knife (10) second end and lower cutting knife (11) second end gliding second curb plate (12) that runs through respectively and be connected with the direction tail and insert (13), two the cover is equipped with guide bracket (14) on the direction tail is inserted (13), guide bracket (14) are connected, two with second curb plate (12) the direction tail is inserted and is equipped with elastic component (18) between (13) and guide bracket (14), elastic component (18) cover is established on the direction tail is inserted (13), two the direction tail is inserted (13) gliding guide bracket (14) antetheca that runs through respectively.

7. The side-driving reciprocating cutting knife device as claimed in claim 3, characterized in that the main support (1) is of L-shaped structure, the vertical frame of the main support (1) is connected with the first side plate (8), and the vertical frame of the main support (1) is provided with an opening, the first end of the upper cutting knife (10) and the first end of the lower cutting knife (11) are movable in the opening, the horizontal frame of the main support (1) is provided with U-shaped grooves, the middle partition plate (4) is arranged between the U-shaped grooves, and reinforcing ribs are arranged between the horizontal frame and the vertical frame of the main support (1).

8. The side-drive reciprocating knife device according to claim 4, characterised in that the number of rack teeth on the first rack frame (2) and the second rack frame is one more than the number of teeth on the partial gear (15) with which they mesh; a transition round table is arranged between the two incomplete gears (15), the transition round table is sleeved on the fixed shaft, and the transition round table is rotatably connected and arranged in the motion hole.

9. The laterally driven reciprocating knife device as claimed in claim 2, characterised in that the lower knife (11) has a greater length than the upper knife (10), and in that two sliding pins are provided on the first knife cover (9), a sliding hole is provided on the second knife cover, and in that two notches are provided at both ends of the lower knife (11) and the upper knife (10), respectively, and two sliding pins are slidably connected through the notches to the second knife cover, respectively.

10. The side-driven reciprocating cutting knife device as claimed in claim 3, characterized in that the lower cutting knife (11), the upper cutting knife (10), the first rack frame (2) and the second rack frame are provided with a plurality of lightening holes.

Images